The following table provides summary statistics for permanent job vacancies advertised in Hereford with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 3 months to 24 April 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Herefordshire / Hereford
3 months to
24 Apr 2017
Same period 2016 Same period 2015
Rank 16 - -
Rank change year-on-year - 0  
Permanent jobs citing TDD 6 0 0
As % of all permanent IT jobs advertised in Hereford 9.68% - -
As % of the Processes & Methodologies category 9.84% - -
Number of salaries quoted 6 0 0
Median salary £45,000 - -
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year +2.27% +3.52%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hereford with a requirement for process and methodology skills.

Process & Methodology Skills
Hereford
Permanent job vacancies with a requirement for process and methodology skills 61 39 18
As % of all permanent IT job vacancies advertised in Hereford 98.39% 90.70% 90.00%
Number of salaries quoted 60 26 17
Median salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% -  
90% offered a salary of more than £37,500 £27,500 £22,350
10% offered a salary of more than £50,000 £49,050 £70,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Hereford

The job posting trend of jobs advertised in Hereford citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Hereford

TDD
Salary Trend in Hereford

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Hereford.

Salary trend for TDD in Hereford

For the 6 months to 24 April 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hereford region with a requirement for TDD.

1 10 (83.33%) HTML
1 10 (83.33%) KnockoutJS
2 9 (75.00%) BDD
2 9 (75.00%) Agile Software Development
3 7 (58.33%) Subversion
3 7 (58.33%) Automated Testing
3 7 (58.33%) Pay per click
3 7 (58.33%) Marketing
3 7 (58.33%) Animation
3 7 (58.33%) SEO
3 7 (58.33%) CSS
3 7 (58.33%) JavaScript
3 7 (58.33%) PHP
3 7 (58.33%) HTML5
3 7 (58.33%) Unit Testing
3 7 (58.33%) JSUnit
3 7 (58.33%) Git (software)
3 7 (58.33%) Jasmine
3 7 (58.33%) Sass
3 7 (58.33%) Node.js
3 7 (58.33%) CSS3
3 7 (58.33%) Mocha
3 7 (58.33%) Backbone.js
3 7 (58.33%) Mobile App
3 7 (58.33%) Grunt
3 7 (58.33%) User Experience
3 7 (58.33%) gulp
3 7 (58.33%) Cross-Browser Compatibility
3 7 (58.33%) Chai
4 3 (25.00%) ASP.NET Web Forms

TDD
Co-occurring IT Skills in Hereford by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Development Applications
1 7 (58.33%) Git (software)
1 7 (58.33%) Grunt
1 7 (58.33%) gulp
1 7 (58.33%) Jasmine
1 7 (58.33%) JSUnit
1 7 (58.33%) Mocha
1 7 (58.33%) Subversion
2 3 (25.00%) Team Foundation Server
General
1 7 (58.33%) Marketing
2 2 (16.67%) Retail
Job Titles
1 10 (83.33%) Developer
2 7 (58.33%) Front End Developer (Client-Side Developer)
2 7 (58.33%) HTML CSS Developer
2 7 (58.33%) HTML Developer
2 7 (58.33%) JavaScript Developer
3 3 (25.00%) .NET Developer
3 3 (25.00%) ASP.NET Developer
3 3 (25.00%) SQL Developer
4 2 (16.67%) Agile Coach
4 2 (16.67%) Agile Scrum Master
4 2 (16.67%) Scrum Master
Libraries, Frameworks & Software Standards
1 10 (83.33%) HTML
1 10 (83.33%) KnockoutJS
2 7 (58.33%) Backbone.js
2 7 (58.33%) Chai
2 7 (58.33%) CSS
2 7 (58.33%) CSS3
2 7 (58.33%) HTML5
2 7 (58.33%) Node.js
2 7 (58.33%) Sass
3 3 (25.00%) .NET
3 3 (25.00%) .NET Framework
3 3 (25.00%) Ajax
3 3 (25.00%) ASP.NET
3 3 (25.00%) ASP.NET Web API
3 3 (25.00%) ASP.NET Web Forms
3 3 (25.00%) jQuery
3 3 (25.00%) NHibernate
3 3 (25.00%) WCF
3 3 (25.00%) Web Services
3 3 (25.00%) XHTML
Miscellaneous
1 7 (58.33%) Animation
1 7 (58.33%) Mobile App
1 7 (58.33%) User Experience
Processes & Methodologies
1 9 (75.00%) Agile Software Development
1 9 (75.00%) BDD
2 7 (58.33%) Automated Testing
2 7 (58.33%) Cross-Browser Compatibility
2 7 (58.33%) Pay per click
2 7 (58.33%) SEO
2 7 (58.33%) Unit Testing
3 3 (25.00%) MVC
3 3 (25.00%) MVVM
4 2 (16.67%) Coaching
4 2 (16.67%) Continuous Improvement
4 2 (16.67%) E-Commerce
4 2 (16.67%) Mentoring
4 2 (16.67%) PRINCE2
4 2 (16.67%) Scrum
4 2 (16.67%) SDLC
Programming Languages
1 7 (58.33%) JavaScript
1 7 (58.33%) PHP
2 3 (25.00%) C#
2 3 (25.00%) SQL
2 3 (25.00%) T-SQL
2 3 (25.00%) VB